oj.uz

Submission #143983

# Submission time Handle Problem Language Result Execution time Memory
143983 2019-08-15T14:28:47 Z RezwanArefin01 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 442 ms 273520 KB 
#include <bits/stdc++.h>
#include "shoes.h"
 
using namespace std; 
 
const int N = 2e5 + 10; 
 
deque<int> pos[2][N];
int r[N], bit[N];

void update(int x) { 
    for(++x; x > 0; x -= x & -x)
        ++bit[x];
}
 
int read(int x) { 
    int ret = 0;
    for(++x; x < N; x += x & -x) 
        ret += bit[x];
    return ret; 
}
 
long long count_swaps(vector<int> s) {
    vector<int> ord;
    for(int i = 0; i < s.size(); ++i) {
        int x = abs(s[i]), c = s[i] > 0; 
        if(pos[c ^ 1][x].size()) {
            int j = pos[c ^ 1][x].front(); 
            pos[c ^ 1][x].pop_front(); 
            r[j] = i; 
        } else {
            pos[c][x].push_back(i); 
            ord.push_back(i);
        }
    }
        
    long long ans = 0;
    for(int i : ord) {
        int L = i + read(i); 
        int R = r[i] + read(r[i]);
 
        ans += R - L - 1 + (s[i] > 0); 
        update(r[i]);
    } 
 
    return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:25:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < s.size(); ++i) {
                    ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 269564 KB Output is correct
2 Correct 271 ms 269560 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 269564 KB Output is correct
2 Correct 271 ms 269560 KB Output is correct
3 Correct 291 ms 269672 KB Output is correct
4 Correct 282 ms 269720 KB Output is correct
5 Correct 271 ms 269676 KB Output is correct
6 Correct 269 ms 269560 KB Output is correct
7 Correct 273 ms 269560 KB Output is correct
8 Correct 275 ms 269584 KB Output is correct
9 Correct 272 ms 269660 KB Output is correct
10 Correct 270 ms 269688 KB Output is correct
11 Correct 272 ms 269816 KB Output is correct
12 Correct 280 ms 269688 KB Output is correct
13 Correct 269 ms 269560 KB Output is correct
14 Correct 276 ms 269652 KB Output is correct
15 Correct 270 ms 269788 KB Output is correct
16 Correct 269 ms 269560 KB Output is correct
17 Correct 271 ms 269688 KB Output is correct
18 Correct 271 ms 269660 KB Output is correct
19 Correct 270 ms 269660 KB Output is correct
20 Correct 273 ms 269716 KB Output is correct
21 Correct 272 ms 269688 KB Output is correct
22 Correct 269 ms 269672 KB Output is correct
23 Correct 269 ms 269688 KB Output is correct
24 Correct 270 ms 269560 KB Output is correct
25 Correct 296 ms 269816 KB Output is correct
26 Correct 273 ms 269632 KB Output is correct
27 Correct 270 ms 269560 KB Output is correct
28 Correct 270 ms 269708 KB Output is correct
29 Correct 271 ms 269688 KB Output is correct
30 Correct 273 ms 269560 KB Output is correct
31 Correct 272 ms 269664 KB Output is correct
32 Correct 271 ms 269624 KB Output is correct
33 Correct 271 ms 269560 KB Output is correct
34 Correct 274 ms 269652 KB Output is correct
35 Correct 270 ms 269876 KB Output is correct
36 Correct 271 ms 269532 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 269564 KB Output is correct
2 Correct 271 ms 269560 KB Output is correct
3 Correct 274 ms 269664 KB Output is correct
4 Correct 327 ms 269688 KB Output is correct
5 Correct 274 ms 269688 KB Output is correct
6 Correct 269 ms 269560 KB Output is correct
7 Correct 272 ms 269688 KB Output is correct
8 Correct 270 ms 269688 KB Output is correct
9 Correct 269 ms 269560 KB Output is correct
10 Correct 276 ms 269560 KB Output is correct
11 Correct 288 ms 269600 KB Output is correct
12 Correct 276 ms 269688 KB Output is correct
13 Correct 272 ms 269608 KB Output is correct
14 Correct 268 ms 269636 KB Output is correct
15 Correct 278 ms 269688 KB Output is correct
16 Correct 270 ms 269688 KB Output is correct
17 Correct 281 ms 269692 KB Output is correct
18 Correct 296 ms 269688 KB Output is correct
19 Correct 299 ms 269804 KB Output is correct
20 Correct 299 ms 270060 KB Output is correct
21 Correct 290 ms 269984 KB Output is correct
22 Correct 335 ms 273364 KB Output is correct
23 Correct 331 ms 273136 KB Output is correct
24 Correct 342 ms 273264 KB Output is correct
25 Correct 351 ms 272724 KB Output is correct
26 Correct 367 ms 273248 KB Output is correct
27 Correct 316 ms 273284 KB Output is correct
28 Correct 317 ms 272744 KB Output is correct
29 Correct 337 ms 272880 KB Output is correct
30 Correct 315 ms 272752 KB Output is correct
31 Correct 316 ms 273264 KB Output is correct
32 Correct 365 ms 272964 KB Output is correct
33 Correct 395 ms 272752 KB Output is correct
34 Correct 318 ms 272728 KB Output is correct
35 Correct 269 ms 269688 KB Output is correct
36 Correct 274 ms 269688 KB Output is correct
37 Correct 330 ms 272904 KB Output is correct
38 Correct 331 ms 272832 KB Output is correct
39 Correct 328 ms 272752 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 270 ms 269560 KB Output is correct
2 Correct 273 ms 269688 KB Output is correct
3 Correct 267 ms 269692 KB Output is correct
4 Correct 267 ms 269560 KB Output is correct
5 Correct 356 ms 272496 KB Output is correct
6 Correct 364 ms 272620 KB Output is correct
7 Correct 356 ms 272496 KB Output is correct
8 Correct 331 ms 272880 KB Output is correct
9 Correct 362 ms 272496 KB Output is correct
10 Correct 348 ms 272496 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 269564 KB Output is correct
2 Correct 271 ms 269560 KB Output is correct
3 Correct 291 ms 269672 KB Output is correct
4 Correct 282 ms 269720 KB Output is correct
5 Correct 271 ms 269676 KB Output is correct
6 Correct 269 ms 269560 KB Output is correct
7 Correct 273 ms 269560 KB Output is correct
8 Correct 275 ms 269584 KB Output is correct
9 Correct 272 ms 269660 KB Output is correct
10 Correct 270 ms 269688 KB Output is correct
11 Correct 272 ms 269816 KB Output is correct
12 Correct 280 ms 269688 KB Output is correct
13 Correct 269 ms 269560 KB Output is correct
14 Correct 276 ms 269652 KB Output is correct
15 Correct 270 ms 269788 KB Output is correct
16 Correct 269 ms 269560 KB Output is correct
17 Correct 271 ms 269688 KB Output is correct
18 Correct 271 ms 269660 KB Output is correct
19 Correct 270 ms 269660 KB Output is correct
20 Correct 273 ms 269716 KB Output is correct
21 Correct 272 ms 269688 KB Output is correct
22 Correct 269 ms 269672 KB Output is correct
23 Correct 269 ms 269688 KB Output is correct
24 Correct 270 ms 269560 KB Output is correct
25 Correct 296 ms 269816 KB Output is correct
26 Correct 273 ms 269632 KB Output is correct
27 Correct 270 ms 269560 KB Output is correct
28 Correct 270 ms 269708 KB Output is correct
29 Correct 271 ms 269688 KB Output is correct
30 Correct 273 ms 269560 KB Output is correct
31 Correct 272 ms 269664 KB Output is correct
32 Correct 271 ms 269624 KB Output is correct
33 Correct 271 ms 269560 KB Output is correct
34 Correct 274 ms 269652 KB Output is correct
35 Correct 270 ms 269876 KB Output is correct
36 Correct 271 ms 269532 KB Output is correct
37 Correct 275 ms 269612 KB Output is correct
38 Correct 273 ms 269560 KB Output is correct
39 Correct 273 ms 269816 KB Output is correct
40 Correct 269 ms 269548 KB Output is correct
41 Correct 273 ms 269560 KB Output is correct
42 Correct 271 ms 269688 KB Output is correct
43 Correct 278 ms 269684 KB Output is correct
44 Correct 270 ms 269560 KB Output is correct
45 Correct 293 ms 269728 KB Output is correct
46 Correct 274 ms 269676 KB Output is correct
47 Correct 271 ms 269560 KB Output is correct
48 Correct 268 ms 269728 KB Output is correct
49 Correct 273 ms 269688 KB Output is correct
50 Correct 299 ms 269604 KB Output is correct
51 Correct 284 ms 269784 KB Output is correct
52 Correct 269 ms 269688 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 269564 KB Output is correct
2 Correct 271 ms 269560 KB Output is correct
3 Correct 291 ms 269672 KB Output is correct
4 Correct 282 ms 269720 KB Output is correct
5 Correct 271 ms 269676 KB Output is correct
6 Correct 269 ms 269560 KB Output is correct
7 Correct 273 ms 269560 KB Output is correct
8 Correct 275 ms 269584 KB Output is correct
9 Correct 272 ms 269660 KB Output is correct
10 Correct 270 ms 269688 KB Output is correct
11 Correct 272 ms 269816 KB Output is correct
12 Correct 280 ms 269688 KB Output is correct
13 Correct 269 ms 269560 KB Output is correct
14 Correct 276 ms 269652 KB Output is correct
15 Correct 270 ms 269788 KB Output is correct
16 Correct 269 ms 269560 KB Output is correct
17 Correct 271 ms 269688 KB Output is correct
18 Correct 271 ms 269660 KB Output is correct
19 Correct 270 ms 269660 KB Output is correct
20 Correct 273 ms 269716 KB Output is correct
21 Correct 272 ms 269688 KB Output is correct
22 Correct 269 ms 269672 KB Output is correct
23 Correct 269 ms 269688 KB Output is correct
24 Correct 270 ms 269560 KB Output is correct
25 Correct 296 ms 269816 KB Output is correct
26 Correct 273 ms 269632 KB Output is correct
27 Correct 270 ms 269560 KB Output is correct
28 Correct 270 ms 269708 KB Output is correct
29 Correct 271 ms 269688 KB Output is correct
30 Correct 273 ms 269560 KB Output is correct
31 Correct 272 ms 269664 KB Output is correct
32 Correct 271 ms 269624 KB Output is correct
33 Correct 271 ms 269560 KB Output is correct
34 Correct 274 ms 269652 KB Output is correct
35 Correct 270 ms 269876 KB Output is correct
36 Correct 271 ms 269532 KB Output is correct
37 Correct 274 ms 269664 KB Output is correct
38 Correct 327 ms 269688 KB Output is correct
39 Correct 274 ms 269688 KB Output is correct
40 Correct 269 ms 269560 KB Output is correct
41 Correct 272 ms 269688 KB Output is correct
42 Correct 270 ms 269688 KB Output is correct
43 Correct 269 ms 269560 KB Output is correct
44 Correct 276 ms 269560 KB Output is correct
45 Correct 288 ms 269600 KB Output is correct
46 Correct 276 ms 269688 KB Output is correct
47 Correct 272 ms 269608 KB Output is correct
48 Correct 268 ms 269636 KB Output is correct
49 Correct 278 ms 269688 KB Output is correct
50 Correct 270 ms 269688 KB Output is correct
51 Correct 281 ms 269692 KB Output is correct
52 Correct 296 ms 269688 KB Output is correct
53 Correct 299 ms 269804 KB Output is correct
54 Correct 299 ms 270060 KB Output is correct
55 Correct 290 ms 269984 KB Output is correct
56 Correct 335 ms 273364 KB Output is correct
57 Correct 331 ms 273136 KB Output is correct
58 Correct 342 ms 273264 KB Output is correct
59 Correct 351 ms 272724 KB Output is correct
60 Correct 367 ms 273248 KB Output is correct
61 Correct 316 ms 273284 KB Output is correct
62 Correct 317 ms 272744 KB Output is correct
63 Correct 337 ms 272880 KB Output is correct
64 Correct 315 ms 272752 KB Output is correct
65 Correct 316 ms 273264 KB Output is correct
66 Correct 365 ms 272964 KB Output is correct
67 Correct 395 ms 272752 KB Output is correct
68 Correct 318 ms 272728 KB Output is correct
69 Correct 269 ms 269688 KB Output is correct
70 Correct 274 ms 269688 KB Output is correct
71 Correct 330 ms 272904 KB Output is correct
72 Correct 331 ms 272832 KB Output is correct
73 Correct 328 ms 272752 KB Output is correct
74 Correct 270 ms 269560 KB Output is correct
75 Correct 273 ms 269688 KB Output is correct
76 Correct 267 ms 269692 KB Output is correct
77 Correct 267 ms 269560 KB Output is correct
78 Correct 356 ms 272496 KB Output is correct
79 Correct 364 ms 272620 KB Output is correct
80 Correct 356 ms 272496 KB Output is correct
81 Correct 331 ms 272880 KB Output is correct
82 Correct 362 ms 272496 KB Output is correct
83 Correct 348 ms 272496 KB Output is correct
84 Correct 275 ms 269612 KB Output is correct
85 Correct 273 ms 269560 KB Output is correct
86 Correct 273 ms 269816 KB Output is correct
87 Correct 269 ms 269548 KB Output is correct
88 Correct 273 ms 269560 KB Output is correct
89 Correct 271 ms 269688 KB Output is correct
90 Correct 278 ms 269684 KB Output is correct
91 Correct 270 ms 269560 KB Output is correct
92 Correct 293 ms 269728 KB Output is correct
93 Correct 274 ms 269676 KB Output is correct
94 Correct 271 ms 269560 KB Output is correct
95 Correct 268 ms 269728 KB Output is correct
96 Correct 273 ms 269688 KB Output is correct
97 Correct 299 ms 269604 KB Output is correct
98 Correct 284 ms 269784 KB Output is correct
99 Correct 269 ms 269688 KB Output is correct
100 Correct 294 ms 269644 KB Output is correct
101 Correct 296 ms 270072 KB Output is correct
102 Correct 277 ms 270044 KB Output is correct
103 Correct 373 ms 273320 KB Output is correct
104 Correct 348 ms 273324 KB Output is correct
105 Correct 345 ms 273396 KB Output is correct
106 Correct 357 ms 272496 KB Output is correct
107 Correct 325 ms 273264 KB Output is correct
108 Correct 329 ms 273520 KB Output is correct
109 Correct 318 ms 272752 KB Output is correct
110 Correct 376 ms 273008 KB Output is correct
111 Correct 378 ms 272616 KB Output is correct
112 Correct 368 ms 273400 KB Output is correct
113 Correct 350 ms 272624 KB Output is correct
114 Correct 442 ms 272496 KB Output is correct
115 Correct 357 ms 272496 KB Output is correct